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Finding the Fourth Proportional to 162,206.60, 243,194.70 and 62,328.20

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Solution

The fourth proportional to 162,206.60, 243,194.70 and 62,328.20 is: 93,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,206.60 : 243,194.70 = 62,328.20 : x
  2. Step 2: Convert to fraction form
    162,206.60/243,194.70 = 62,328.20/x
  3. Step 3: Cross multiply
    162,206.60x = 243,194.70 × 62,328.20
  4. Step 4: Simplify right side
    162,206.60x = 15,157,887,900.54
  5. Step 5: Solve for x
    x = 15,157,887,900.54/162,206.60
  6. Step 6: Final answer
    x = 93,448.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.